<!DOCTYPE HTML>
<html>
  <head>
    <title>Referer with location.assign and nested frames</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
  </head>
  <body>
    <iframe src="resources/replace-or-assign-call-on-iframe.html?assign" hidden></iframe>
    <script>
      async_test(function(t) {
        function on_message(e) {
        const nestedIframeReferrer = e.data;
        assert_equals(nestedIframeReferrer, document.querySelector("iframe").contentWindow.location.href);
        t.done();
      }
      window.addEventListener('message', t.step_func(on_message), false);
      }, "Browser sends Referer header when location.assign is called in iframe document on another nested iframe element");
    </script>
  </body>
</html>
